Fox ESS H3-6.0-Smart vs Sofar 6.6KTLX-G3
AC power: Fox ESS H3-6.0-Smart 6 kW, Sofar 6.6KTLX-G3 6 kW. The Sofar 6.6KTLX-G3 is better on 4 of 8 comparable points.
Who wins where
- Fox ESS H3-6.0-Smart
- Sofar 6.6KTLX-G3
Biggest differences
| Fact | H3-6.0-Smart | 6.6KTLX-G3 |
|---|---|---|
| Weight | 34 kg | 17 kg |
| MPP trackers | 3 | 2 |
| MPPT voltage min. | 120 V | 140 V |
| MPPT voltage max. | 950 V | 1,000 V |
Score per area = position (0–100) relative to all 238 models in this category; higher is better.
| Technical specifications | Fox ESSH3-6.0-Smart | Sofar6.6KTLX-G3 |
|---|---|---|
| Performance | ||
| AC power | 6 kW 1 | 6 kW 2 |
| MPP trackers | 3 ✓ 1 | 2 2 |
| Efficiency | ||
| Max. efficiency | 97.7 % 1 | 98.4 % ✓ 2 |
| European efficiency | 97.2 % 1 | 97.5 % ✓ 2 |
| Noise | ||
| Noise | 40 dB(A) 1 | – |
| Electrical | ||
| MPPT voltage min. | 120 V ✓ 1 | 140 V 2 |
| MPPT voltage max. | 950 V 1 | 1,000 V ✓ 2 |
| Max. input current per MPPT | 20 A 1 | – |
| Connectivity & smart | ||
| Hybrid (battery-ready) | Yes 1 | – |
| Backup power | Yes 1 | – |
| Wi-Fi / monitoring | Yes 1 | Yes 2 |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP65 2 |
| Width | 600 mm 1 | – |
| Height | 450 mm 1 | – |
| Depth | 226 mm 1 | – |
| Weight | 34 kg 1 | 17 kg ✓ 2 |
| Warranty & lifespan | ||
| Warranty | 10 years 1 | – |
Sources
- H3 Smart THREE-PHASE HYBRID INVERTER, V1.2 | 2025/07/02 — Fox ESS · accessed 29 Sept 2026
- SOFAR 3.3K~12KTLX-G3 Datasheet, 03 / 2023——V2 — SOFAR · accessed 29 Sept 2026